Error 18456 Severity 14 State 11
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Logon Error 18456 Severity 14 State 11
Login failed for user Error: 18456, Severity: 14, State: 11 up vote 3 down vote favorite 1 I have an AD group XYZ that I have added to SQL Server security with data_reader permissions. The XYZ group has around 10 users in there who are successfully able to access the SQL Server database. I recently added a new user to this group (at AD level), but this person is not able to access SQL Server (through Mgmt error 18456 severity 14 state 2 Studio) and he's getting the error below Login failed for user. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors. Error: 18456, Severity: 14, State: 11. I have already verified AD permissions are setup properly, user has restarted his machine, he is not part of any group that has DENY access and the SQL Server XYZ group has been removed and readded to the SQL Server instance in Mgmt Studio and server has been restarted. Any ideas on how to proceed further? Thanks! sql-server sql-server-2008-r2 active-directory share|improve this question edited Jun 17 '13 at 13:19 Yasir Arsanukaev 2,38121126 asked Mar 25 '13 at 22:19 Amam 84138 migrated from stackoverflow.com Mar 26 '13 at 6:15 This question came from our site for professional and enthusiast programmers. Can you have the new user try from another computer and see if that's the issue? Wondering if it's an AD setup issue, since your other users are working. –Jason Whitish Mar 25 '13 at 22:23 sqlblogcasts.com/blogs/simons/archive/2011/02/01/… –Aaron Bertrand♦ Mar 25 '13 at 22:26 Has the user logged off and logged on since the group assignment? If not, the user needs to do that for the group assignment to take effect. See my answer here. –Jon Seigel Mar 26 '13 at 13:26 I had the user restart his laptop and even tried accessi
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Error 18456 Severity 14 State 12
get error 18456 Severity 14 State 11 Login Failed for error 18456 severity 14 state 7 user _ Reason Token-based server access validation failed with an infrastructure error. SQL Server > error 18456 severity 14 state 38. sql server 2008 r2 SQL Server Security Question 0 Sign in to vote I have a SQL 2008 R2 system (10.50.4000) where I'm having problems connecting any user that is http://dba.stackexchange.com/questions/37564/login-failed-for-user-error-18456-severity-14-state-11 not a SysAdmin. Example: I setup a new SQL Login to use Windows Authentication and grant that user db_datareader on the target database. The user attempts to connect using Excel client or Access or SQL Management Studio and receives Error 18456. The SQL Server Logs shows Error 18456 Severity 14 State 11 https://social.msdn.microsoft.com/Forums/sqlserver/en-US/220cee33-3e51-414e-bb89-0619589fbf69/nonsysadmins-get-error-18456-severity-14-state-11-login-failed-for-user-reason-tokenbased-server?forum=sqlsecurity Login Failed for user _ Reason Token-based server access validation failed with an infrastructure error. The strange part is that if I temporarily grant the user the sysadmin server role then the user can connect successfully and retrieve data. But, if I take away thatsysadmin server role then the user can no longer connect but again receives theError 18456 Severity 14 State 11 Login Failed for user _ Reason Token-based server access validation failed with an infrastructure error. We've turned off UAC on the client machine to see if that was the problem, but no change. I have dropped and re-added the user's SQL Login (and the related database user login info). No success. The Ring Buffers output shows: TheCalling API Name: LookupAccountSidInternal API Name: LookupAccountSid Error Code: 0x534 Thanks for any help. -Walt Monday, March 17, 2014 2:20 PM Reply | Quote Answers 0 Sign in to vote The issue here
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company http://stackoverflow.com/questions/13821188/sql-server-fixing-error-error-18456-severity-14-state-11 Business Learn more about hiring developers or posting ads with us Stack Overflow Questions http://blog.sqlauthority.com/2015/08/19/sql-server-login-failed-for-user-reason-token-based-server-access-validation-failed-with-an-infrastructure-error/ Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Sql Server - Fixing Error Error: 18456, Severity: 14, State: 11 up vote 2 down vote favorite 1 I'm trying to error 18456 login to a SQL Server instance from the server it runs on while remoted in as myself. I keep getting the standard login failed error and in the error log I'm seeing "Error: 18456, Severity: 14, State: 11." The login is using windows authentication - here's the weird bit. I can login fine from my own machine using the same authentication, just not when I'm on the machine the database is installed on. Any error 18456 severity ideas? Thanks, Dave sql-server share|improve this question asked Dec 11 '12 at 13:12 Comanighttrain 922512 add a comment| 1 Answer 1 active oldest votes up vote 6 down vote accepted How does UAC work? When an administrator logs on, this version of Windows creates two separate access tokens for the user: a standard user access token and an administrator access token. The standard user access token contains the same user-specific information as the administrator access token, but the administrative Windows privileges and SIDs have been removed. The standard user access token is used to start applications... When you're logged in locally your administrator token is stripped. Since you granted access to your instance to BUILTIN\Administrators, you are locked out of the instance. When authenticating remotely the administrator token is preserved and you gain access. You would gain access if you'd choose to RunAs\Administrator when starting your application (SSMS?). The solution is to grant yourself access explicitly: create login [domain\you] from windows; exec sp_addsrvrolemember 'domain\you','sysadmin'; share|improve this answer answered Dec 11 '12 at 13:18 Remus Rusanu 206k25268405 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting
SERVER - Login failed for user . Reason: Token-based server access validation failed August 19, 2015Pinal DaveSQL9 commentsThis is one of the most common error searched on my blog search (http://search.sqlauthority.com) and lately I realized that I have not written any blog about the cause of such error and fixing that. Let us learn about how to fix the error login failed.If you ever talk to an SQL Expert about login failed for user, he/she might ask for the state of the message or complete error message. All login failed for user message would have error number 18456 but the state of the message in the ERRORLOG would tell the exact cause of login failure. It is important to note that SQL Server does not tell the exact state to the client and it would be a state 1 always.Login failed for user ‘sa'. (.Net SqlClient Data Provider) -------------------- Server Name: BIGPINAL Error Number: 18456 Severity: 14 State: 1 Line Number: 65536If you are new to SQL Server then use below to find ERRORLOG SQL SERVER – Where is ERRORLOG? Various Ways to Find its LocationHere is the message in ERRORLOG fileError: 18456, Severity: 14, State: 58. Login failed for user ‘sa'. Reason: An attempt to login using SQL authentication failed. Server is configured for Windows authentication only. [CLIENT: